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首页> 外文会议>World energy engineering congress;WEEC 2010 >OPTIMIZING ENERGY SAVING OPPORTUNITIES IN FOOD AND DAIRY PLANT STEAM BOILER SYSTEMS
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OPTIMIZING ENERGY SAVING OPPORTUNITIES IN FOOD AND DAIRY PLANT STEAM BOILER SYSTEMS

机译：优化食品和乳品厂蒸汽锅炉系统的节能机会

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摘要

Food and Dairy plants typically employ nominal 100-135 psig steam generated by firetube boilers. A significant number of options in equipment are available to assist in optimizing energy consumption. In addition to properly matching boiler size to the anticipated steam demand and maximizing the return of steam condensate, some or all of the following opportunities are applicable to both renovated and new boiler plants: (1) Operation at the lowest possible steam pressure. (2) Boiler selection with high turndown burners. (3) Economizers: a. Stack-sensible heat only b. Stack-condensing c. Direct contact-condensing d. Indirect contact-condensing (4) Continuous surface blowdown heat exchangers. (5) Reverse osmosis (RO) treatment of boiler make-up water to reduce blowdown and chemical consumption. (6) Oxygen (O_2) trim control. Most of the above opportunities can be considered as "common sense," but many owners are reluctant to increase the steam system first costs by including any or some of the possibilities listed. It is the design engineer's responsibility to provide cost analysis and payback(s) to justify added first cost for energy saving opportunities.
机译：食品和乳制品厂通常使用由火管锅炉产生的标称100-135 psig蒸汽。设备中有大量选件可帮助优化能耗。除了将锅炉尺寸与预期的蒸汽需求适当地匹配并使蒸汽冷凝水的回流最大化外，以下部分或全部机会还适用于翻新和新建锅炉设备：（1）在尽可能低的蒸汽压力下运行。 （2）选择高调节燃烧器的锅炉。 （3）省煤器：仅堆栈显热b。堆叠冷凝c。直接接触冷凝d。间接接触冷凝（4）连续表面排污热交换器。 （5）锅炉补充水的反渗透（RO）处理，以减少排污和化学消耗。 （6）氧气（O_2）调整控制。以上大多数机会都可以视为“常识”，但是许多所有者不愿意通过列出任何或某些可能性来增加蒸汽系统的第一成本。设计工程师有责任提供成本分析和投资回收期，以证明为节省能源机会而增加的首批成本是合理的。

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